Horsepower adjustments following the Chevrolet Performance U.S. Nationals in Indianapolis, IN

As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the U.S. Nationals event, the following changes have been made.

The horsepower rating for 1986 Chevrolet truck, entries with the 262 cubic inch engine and a factory rating of 155 currently rated at 155, has been increased by twenty nine horsepower, to 184 horsepower; for Stock Eliminator.

The horsepower rating for 1986 Chevrolet truck, entries with the 350 cubic inch engine and a factory rating of 165 currently rated at 189, has been increased by nine horsepower, to 198 horsepower; for Stock Eliminator.

The horsepower rating for 13-14 Chevrolet COPO, entries with the 396 cubic inch engine and a factory rating of 390 currently rated at 399, has been increased by twenty nine horsepower, to 428 horsepower; for Stock Eliminator.

The horsepower rating for 09-10 Dodge Drag Pak, entries with the 345 cubic inch engine and a factory rating of 305 currently rated at 305, has been increased by thirty two horsepower, to 337 horsepower; for Stock Eliminator.

The horsepower rating for 09-10 Dodge Drag Pak, entries with the 360 cubic inch engine and a factory rating of 275 currently rated at 275, has been increased by nine horsepower, to 284 horsepower; for Super Stock Eliminator.

The horsepower rating for 87-92 Chevrolet/Pontiac, entries with the 305 cubic inch engine and a factory rating of 195 currently rated at 235, has been increased by ten horsepower, to 245 horsepower; for Super Stock GT FWD.

NHRA's 2014 Automatic Horsepower Factoring System outlines that any run of 1.20-seconds or more under the index will receive an immediate index decrease or horsepower increase. These changes are effective Sept. 2, 2014.

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